Japan Flora: Rhizomes long-creeping, about 2 mm. across, sparsely scaly while young; sterile fronds 20-50 cm. long, the fertile longer, 40-60 cm. long; stipes slender, straw-colored, dark purple-brown toward base, lustrous, 5-15 cm. long, very thinly scaly at base; scales dull brown, ovate, subentire; blades broadly lanceolate, 6-10 cm. wide, long-acuminate, abruptly narrowed at base, with 5-10 pairs of much reduced auriclelike pinnae at base, bipinnatiparted, the rachis pale green, slender, short-pilose on upper side; pinnae spreading, thinly herbaceous to membranous, linear-lanceolate, 5-7 mm. wide, long-acumi­nate, sessile, thinly appressed-pilose above and on margin, pubescent beneath and on costas, the lower reduced pinnae 2-15 mm. long; pinnules narrowly oblong, nearly entire, 2-3 mm. wide; veinlets simple, reaching the margin; sori in 2 series, nearer the margin than the costule; indusia small, orbicular-reniform to oblong-cordate, 0.2-0.4 mm. across, usu­ally long-pilose.

Honshu (Suruga Prov.), Shikoku, Kyu­shu. s. Korea, Formosa to Malaysia, and India.